Multiple choice

Which of the following is a decomposer?

  1. Lichen

  2. Algae

  3. Rhizopus

  4. Amoeba
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Rhizopus is a fungus that decomposes dead organic matter, making it a decomposer organism. Lichen is a symbiotic association, algae are photosynthetic producers, and Amoeba is a heterotrophic consumer - none are primarily decomposers in ecosystems.

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